Otu
Otu or OTU may refer to:
- Otu:
- Otu, Iran, a village in Mazandaran Province, Iran
 - Otu, Siga, Japan
 - Otú Airport, an airport in the village of Otú and serving the town of Remedios, Colombia
 
 - OTU:
- Ontario Tech University, a postsecondary institution in Ontario, Canada
 - Operational taxonomic unit, in biology
 - Operational Training Unit (Royal Air Force)
 - Optical channel Transport Unit, a layer of the Optical Transport Network
 - Oxygen toxicity unit, a measure of exposure to a toxic concentration of oxygen in breathing gas.
 
 
People with the name
- Michael Otu (1925–2006), senior commander in the Ghana Air Force
 - Idara Otu (born 1987), Nigerian sprinter
 
See also
- Otu Jeremi, a town in Ughelli South LGA of Delta State, Nigeria
 - Otu barrage, a masonry weir on the Ghaggar-Hakra river in Haryana state of India